Active clinical trials for "Osteoarthritis, Hip"

Subjects in the late postoperative phase (5-8 months) of THA and control subjects without any signs or symptoms in the hip joint will be assessed for functionality (Harris Hip Score questionnaire and Timed Up and Go test), level of pain (visual analogue pain scale), hip range of motion and muscle isometric peak torque. This evaluation will be performed in order to compare functionality, level of pain, hip range of motion and peak torque between patients following total hip arthroplasty (THA) and asymptomatic controls.

Monitor the performance of the Mpact cup in the treatment of patients with hip joint disease requiring a total hip replacement.

Revision total hip replacement arthroplasty is a surgery having intra- and postoperative substantial blood loss. The investigators will investigate the relationship between the various hematologic variables and postoperative bleeding volume.

The goal of this observational study is to compare postoperative results between patients who had total hip arthroplasty (THA) with and without the use of a computer navigation program. The main questions this study aims to answer are: Can using computer navigation produce better THA implant placement? Can using computer navigation make surgery more efficient? Participant data collected include their postoperative x-rays and total operative time.

This study compares the change in bone density which occurs after hip replacement with different femoral stem devices.

The investigators believe that the application of non-linear methods of analysis using the ganglion and neural network technique will make it possible to analyse all of the complex data obtained in patients with hip osteoarthritis before and then after total hip replacement, and should allow us to identify a combination of objective variables to classify the surgery as " successful " or " unsuccessful ". To this end, the study will take place as follows: Step 1: Screening, and inclusion. Step 2: Evaluation of the hip osteoarthritis and analysis of locomotor activity Step 3: Total hip replacement Step 4: Clinical evaluation of locomotor activity carried out between 6 months and 1 year after the THR Step 5: Data analysis

Zink and bone strength

The purpose of this study is to examine cultural and clinical context factors in African-American and white veterans with knee or hip osteoarthritis with a focus on how these factors may be potentially modifiable determinants of willingness to consider joint replacement.

A retrospective consecutive population of patients treated with cementless total hip arthroplasty with ceramic-on-ceramic bearing surfaces due to post-traumatic osteoarthritis due to acetabular fractures will be selected. The aim of this retrospective study is to evaluate the long-term clinical and radiographic results of this implant in such a specific cohort. The secondary aim of the sudy is to provide the complication rate and the failure rate of the cohort. A descriptive analysis of the failures will be provided as well.

The femoral-offset (FO) is one of the important perioperative parameters in THA. A prospective cohort study was conducted between September 2010 and December 2013. All patients with unilateral primary osteoarthritis (OA) treated with THA were considered for inclusion. Patients with secondary OA, previous spinal, pelvic, or lower limb injuries or fractures were excluded. Global FO was measured in each patient within 3 months before the THA and at the second postoperative day using a standardized protocol. According to the postoperative measurement, patients were divided into three groups: 1) the decreased FO group, where the FO of operated side was reduced more than 5mm compared with the contralateral side, 2) the restored FO group, where the FO of operated side was within 5mm restored compared with the contralateral side, and 3) the increased FO group, where the FO of operated side was increased more than 5mm compared with the contralateral side. Patients were followed-up at 12 - 15 months postoperatively with self-administered WOMAC and EQ-5D questionnaires in addition to a clinical assessment with palpation of the operated hip and measurement of the abductor muscle strength.